Home / 79,418.16-109,601.04-43,607.76

Finding the Fourth Proportional to 79,418.16, 109,601.04 and 43,607.76

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Solution

The fourth proportional to 79,418.16, 109,601.04 and 43,607.76 is: 60,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418.16 : 109,601.04 = 43,607.76 : x
  2. Step 2: Convert to fraction form
    79,418.16/109,601.04 = 43,607.76/x
  3. Step 3: Cross multiply
    79,418.16x = 109,601.04 × 43,607.76
  4. Step 4: Simplify right side
    79,418.16x = 4,779,455,848.07
  5. Step 5: Solve for x
    x = 4,779,455,848.07/79,418.16
  6. Step 6: Final answer
    x = 60,180.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.